Hemerythrin
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Hemerythrin is an oligomeric protein responsible for oxygen transport in the marine invertebrate phyla of priapulids, brachiopods, and in the annelid worm clades Magelona and Sipuncula. Myohemerythrin
Trimeric Hemerythrin Protein Complex (PDB: 1HMO)
Hemoglobin
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Hemoglobin is a protein containing iron that facilitates the transportation of oxygen in red blood cells. Almost all vertebrates contain hemoglobin, with the sole exception of the fish family Channich
Hemerythrin
…turn a violet-pink in the oxygenated state. Hemerythrin does not, as the name might suggest, contain a heme. The names of the blood oxygen transporters hemoglobin, hemocyanin, and hemerythrin do not refer to the heme group (only found in globins). Instead, these names are derived from the Greek word for blood…
A hemoglobin concentration measurement being administered before a blood donation at the American Red Cross Boston Blood Donation Center.
The giant tube worm Riftia pachyptila showing red hemoglobin-containing plumes
Heart of Steel (Hemoglobin) (2005) by Julian Voss-Andreae. The images show the 5-foot (1.5 m) tall sculpture right after installation, after 10 days, and after several months of exposure to the elements.